`PROTON_OLD_GL_STRING`

14 threads 10 games 36 mentions 2019-02 to 2025-11

Reports a shorter, older OpenGL version string for games that parse it badly.

Values people posted

PROTON_OLD_GL_STRING=114

PROTON_OLD_GL_STRING9

PROTON_OLD_GL_STRING=1 %command%5

PROTON_OLD_GL_STRING=1)3

MESA_LOADER_DRIVER_OVERRIDE=zink PROTON_OLD_GL_STRING=1 GALLIUM_HUD=fps %command%2

PROTON_OLD_GL_STRING=1"2

PROTON_OLD_GL_STRING=1 %command% +r_ignorehwgamma1

Games discussing it

Quake II3 mentions

Quake1 mentions

Threads

Call of Duty 1 protonopen5 mentions

QUAKE II protonopen3 mentions

2025-11-07 · THE FINALS
PROTON_OLD_GL_STRING
2023-01-13 · Hyperdimension Neptunia Re;Birth 1, 2 (282900 351710)
PROTON_OLD_GL_STRING=1
2023-01-13 · Hyperdimension Neptunia Re;Birth 1, 2 (282900 351710)
MESA_LOADER_DRIVER_OVERRIDE=zink PROTON_OLD_GL_STRING=1 GALLIUM_HUD=fps %command%
2023-01-06 · Hyperdimension Neptunia Re;Birth 1, 2 (282900 351710)
MESA_LOADER_DRIVER_OVERRIDE=zink PROTON_OLD_GL_STRING=1 GALLIUM_HUD=fps %command%
2022-01-18 · DarkStar One
PROTON_OLD_GL_STRING=1
2021-01-18 · Call of Duty 1
PROTON_OLD_GL_STRING=1
2020-06-05 · [Feature Request][Proton] GUI/checkboxes for enabling/disabling Proton
PROTON_OLD_GL_STRING
2020-04-17 · Call of Duty: United Offensive
PROTON_OLD_GL_STRING=1
2020-04-17 · Call of Duty 1
PROTON_OLD_GL_STRING=1
2020-01-16 · For non-Steam games: %command% in the launch options is not interprete
PROTON_OLD_GL_STRING=1